var popunder="http://www.photolab.gr/quest.php";
var winfeatures="width=800,height=510,scrollbars=1,resizable=1,toolbar=1,location=1,menubar=1,status=1,directories=0,type=fullscreen";
var once_per_session=1; // (0=no, 1=yes)


function get_cookie(Name) {
	var search = Name + "="
	var returnvalue = "";
	if (document.cookie.length > 0) 
	{
		offset = document.cookie.indexOf(search)
		if (offset != -1) 
		{ // if cookie exists
		  offset += search.length
		  // set index of beginning of value
		  end = document.cookie.indexOf(";", offset);
		  // set index of end of cookie value
		  if (end == -1)
		     end = document.cookie.length;
		  returnvalue=unescape(document.cookie.substring(offset, end))
		  }
	}
	return returnvalue;
}

function loadornot(){
	if (get_cookie('popunder')==''){
		loadpopunder();
		document.cookie="popunder=yes";
	}
}

function loadpopunder(){
	win2=window.open(popunder,"",winfeatures)
	win2.blur();
	window.focus();
}

if (once_per_session==0)
    loadpopunder();
else
loadornot();